Advanced Topic’s ¶ Duration, Date and Time Dynamic Generation of

必须分配信号。 S_ <安全 [...] 输入名称以 S_ . 只能分配变量。 S [...] 控制器启动时自动复位（热或冷） 注意 安全说明 S

MCP23S17 Library Documentation ¶ Company : 3S [...] : Raspberry SPI MCP23S

MCP23S17_FB (FB) ¶ FUNCTION_BLOCK MCP23S17_FB EXTENDS spi In

MCP23S17_FB.read8 (METH) ¶ METHOD read8 : BYTE This method is

MCP23S17_FB.write8 (METH) ¶ METHOD write8 : BOOL This method is

MCP23S17_FB.writeBit (METH) ¶ METHOD writeBit : BOOL This method is

MCP23S17_FB.AfterReadInputs (METH) ¶ METHOD AfterReadInputs : INT InOut: Scope

MCP23S17_FB.BeforeWriteOutputs (METH) ¶ METHOD Before

MCP23S17_FB.Initialize (METH) ¶ METHOD Initialize : UDINT In